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kde-plasma/kscreenlocker: Add missing ck-unlock-session
Closes: https://bugs.gentoo.org/648352 Package-Manager: Portage-2.3.19, Repoman-2.3.6
This commit is contained in:
Andreas Sturmlechner
220
kde-plasma/kscreenlocker/files/ck-unlock-session
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220
kde-plasma/kscreenlocker/files/ck-unlock-session
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#!/bin/sh
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# This script is to make unlocking using OpenRC/Consolekit easier when the KDE Screenlocker breaks.
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#
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# Version: 0.2
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# Date written: February 2, 2018
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# Last modification: February 17, 2018
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#
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# Copyright (C) 2018 Daniel Frey
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# Copyright (C) 2018 Lars Wendler
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#
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# This script is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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#
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# Some notes:
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# -The switch processing/argument handling is very basic.
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# -This script assumes session names start with "Session" when listing
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# sessions. This is settable via a variable.
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#
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# Possible actions:
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# -h : Show help screen
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# -l : List current consolekit sessions
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# -u : Unlock specified session (one parameter required - the session name)
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# -a : Attempt to unlock all sessions
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# Return code documentation
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#
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# 0: Script executed normally
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# 1: Root access is not present for script
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# 2: No arguments passed
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# 3: Multiple actions requested, can only do one at a time
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# 4: Argument passed was not recognized
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# 5: Multiple arguments passed for unlock single session, only one needed
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# 6: The argument required for unlocksession() is missing (internal error)
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SCRIPTNAME="$(basename $0)"
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# Return code constants
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readonly ERR_NORMAL_OPERATION=0
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readonly ERR_NO_ROOT=1
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readonly ERR_NO_ARGS=2
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readonly ERR_TOO_MANY_ACTIONS=3
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readonly ERR_INVALID_ARGUMENTS=4
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readonly ERR_TOO_MANY_ARGS=5
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readonly ERR_INTERNAL_ARG_MISSING=6
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# Action parameter constants
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readonly ACTION_NONE=0
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readonly ACTION_HELP=1
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readonly ACTION_LIST=2
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readonly ACTION_UNLOCKALL=3
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readonly ACTION_UNLOCK=4
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# This is what's used to look for a session via consolekit.
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# By default, assume it is prefixed with "Session".
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SESSION_SEARCH_PREFIX="Session"
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# Check to make sure script has root access, if not... abort now!
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if [ "$(id -u)" -ne 0 ]; then
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echo "This script must be run as root."
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exit ${ERR_NO_ROOT}
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fi
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showhelp() {
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cat <<EOF
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${SCRIPTNAME}: a script that helps unlock consolekit sessions
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Usage: ${SCRIPTNAME} [action] [parameters]
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Actions:
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-l : list current sessions available for unlocking
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-u : unlock session specified as a parameter
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-a : attempt to unlock all current sessions
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-h : this screen
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Parameters:
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The -u parameter requires a session name to unlock, use -l to
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list sessions.
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Example:
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To unlock a single session, use:
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${SCRIPTNAME} -u Session1
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No arguments will show this screen.
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EOF
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}
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listsessions() {
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# Get a list of all sessions, and remove the full colon from the session name
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ALLSESSIONS=$(ck-list-sessions | grep "^${SESSION_SEARCH_PREFIX}" | awk -F : '{print $1}')
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echo
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echo "Sessions present on this machine, space-delineated:"
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echo
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echo ${ALLSESSIONS}
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echo
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echo
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echo "Session detail (to help locate a specific session:"
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ck-list-sessions | grep -A 2 "^${SESSION_SEARCH_PREFIX}"
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}
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unlocksession() {
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# This function expects one parameter set (the session to unlock).
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# Make sure the parameter exists before continuing.
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if [ -z "${1}" ]; then
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showhelp
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exit ${ERR_INTERNAL_ARG_MISSING}
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fi
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echo "Attempting to unlock session $1; messages from dbus are not suppressed."
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# Finally, request the unlock.
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dbus-send --system --print-reply --dest="org.freedesktop.ConsoleKit" /org/freedesktop/ConsoleKit/$1 org.freedesktop.ConsoleKit.Session.Unlock
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}
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unlockallsessions() {
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# Get a list of all sessions, and remove the full colon from the session name
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ALLSESSIONS=$(ck-list-sessions | grep "^${SESSION_SEARCH_PREFIX}" | awk -F : '{print $1}')
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echo "Attempting to unlock all sessions. Messages from dbus are not suppressed."
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echo
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# Loop through results, attempt to unlock all sessions.
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# Count them and report at the end.
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COUNT=0
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for i in ${ALLSESSIONS}; do
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dbus-send --system --print-reply --dest="org.freedesktop.ConsoleKit" /org/freedesktop/ConsoleKit/$i org.freedesktop.ConsoleKit.Session.Unlock
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let "COUNT+=1"
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done
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echo
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echo "Attempted to unlock ${COUNT} session(s)."
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}
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check_actions() {
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# Make sure multiple actions are not chosen.
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if [ ${ACTION} -ne ${ACTION_NONE} ]; then
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echo "You can only declare one action at a time!"
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echo ""
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showhelp
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exit ${ERR_TOO_MANY_ACTIONS}
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fi
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}
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# Start of "main" routine
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# Initialize variables:
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# ACTION=default 0; used to make sure more than one action are not
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# specified at the same time. If an invalid argument was passed
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# (e.g. one without the hyphen prefix) it will be caught as well.
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ACTION="${ACTION_NONE}"
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# Show help if no arguments provided at all
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if [ $# -eq 0 ]; then
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showhelp
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exit ${ERR_NO_ARGS}
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fi
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# Process arguments passed, setting environment appropriately.
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# During this check, ensure only one action was requested. This
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# script will not do multiple things at a time.
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while getopts “hlau:” OPTION; do
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case ${OPTION} in
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h) # Help action
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check_actions
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ACTION=${ACTION_HELP}
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;;
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l) # List action
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check_actions
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ACTION="${ACTION_LIST}"
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;;
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a) # Enable all USB hubs/devices action
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check_actions
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ACTION="${ACTION_UNLOCKALL}"
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;;
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u) # Enable specific hub/device via find command action
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check_actions
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ACTION="${ACTION_UNLOCK}"
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# Save session name passed for later
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UNLOCKSESSION="${OPTARG}"
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;;
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?) # Unknown parameter
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showhelp
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exit ${ERR_INVALID_ARGUMENTS}
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;;
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esac
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done
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# If script reaches this point, only one action was specified, so it is safe
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# to continue processing.
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case ${ACTION} in
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${ACTION_HELP}) # help action
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showhelp
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;;
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${ACTION_LIST}) # list action
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listsessions
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;;
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${ACTION_UNLOCKALL}) # unlock all sessions
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unlockallsessions
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;;
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${ACTION_UNLOCK}) # unlock single session
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unlocksession ${UNLOCKSESSION}
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;;
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*)
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echo "Unrecognized action."
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echo
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showhelp
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exit ${ERR_INVALID_ARGUMENTS}
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;;
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esac
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exit ${ERR_NORMAL_OPERATION}
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